Phased Array Testing Fixture for Vehicle Hub Inspection
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Solution Overview
Problem
Industrial vehicle hubs are prone to component failures due to heavy loads and stress, which can compromise their stability and lifespan, and existing non-destructive testing methods are inadequate for detecting these failures effectively.
Innovation Solution
A phased array testing system comprising a guide element, a pivot element, and a slide element with a phased array probe, allowing for precise scanning of the hub's interior by adjusting the radial position and rotating the guide element, enabling detection of cracks and flaws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If phased array testing is used to detect component failures in vehicle hubs, then detection capability and image resolution are improved, but device complexity and operational difficulty increase
Solution Approach 1:
The patent introduces a custom fixture as an intermediary device that simplifies the operation of the phased array testing system. The fixture includes a guide element with positioning features that automatically align the probe with the hub center, and a rotation mechanism that enables precise angular positioning. This intermediary fixture handles the complex alignment and positioning tasks that would otherwise require complex manual operations, thereby reducing the operational difficulty while maintaining high detection capability.
Solution Approach 2:
The testing apparatus is segmented into distinct functional components: a guide element for positioning, a rotation mechanism for angular adjustment, and a probe mounting system. This segmentation allows each component to perform its specific function independently, making the overall system easier to operate and adjust while maintaining the precision required for detecting component failures in vehicle hubs.
2Device complexity
If manual alignment and positioning of the phased array probe is performed, then device complexity is reduced, but measurement precision and detection accuracy deteriorate
Solution Approach 1:
The guide element is designed with self-aligning features including a hub receptacle with positioning protrusions that automatically locate the probe at the hub center. The rotation mechanism includes indexed positioning features that self-lock at predetermined angular positions. These self-service features eliminate the need for complex manual alignment procedures while ensuring precise and repeatable positioning, thereby improving measurement precision without significantly increasing device complexity.
3Measurement precision
If comprehensive scanning of the hub interior is performed to detect all potential failures, then detection capability is improved, but testing time and productivity deteriorate
Solution Approach 1:
The patent employs periodic scanning at predetermined angular positions around the hub. The rotation mechanism enables the probe to systematically sample the hub interior at multiple discrete angular locations, creating a periodic inspection pattern. This approach ensures comprehensive coverage of potential failure locations while maintaining efficient testing time, as the periodic sampling provides sufficient detection capability without requiring continuous scanning throughout the entire hub volume.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively detects component failures in industrial vehicle hubs, ensuring stability and extending the lifespan of the hubs by providing high-resolution images of the internal structure, facilitating timely maintenance or replacement.
Implementation Method 1
Phased array testing is a non-destructive form of ultrasonic testing that includes the use of commercially available probes that emit high-resolution beams of sound into a component, producing an image or series of images representative of the inside of the component.
Data Source
AI summary
A system for conducting phased array testing on a vehicle hub includes a guide element having a first end and a second end, a pivot element extending from the second end to couple to the vehicle hub, and a slide element coupled to the guide element. The slide element is movable relative to the guide element between the first end of the guide element and the second end of the guide element. The slide element including an object-receiving aperture to receive a phased array probe element.